|
Superconducting Super Collider
The Superconducting Super Collider (SSC), nicknamed Desertron, was a particle accelerator complex under construction from 1991 to 1993 near Waxahachie, Texas, United States. Its planned ring circumference was with an energy of 20 TeV per proton and was designed to be the world's largest and most energetic particle accelerator. The laboratory director was Roy Schwitters, a physicist at the University of Texas at Austin. Department of Energy administrator Louis Ianniello served as its first project director, followed by Joe Cipriano, who came to the SSC Project from the Pentagon in May 1990. After 22.5 km (14 mi) of tunnel had been bored and about US$2 billion spent, the project was canceled by the US Congress in 1993. Proposal and development The supercollider was formally discussed in the 1984 National Reference Designs Study, which examined the technical and economic feasibility of a machine with the design energy of 20 TeV per proton. Early in 1983, HEPAP (High Energy ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Synchrotron
A synchrotron is a particular type of cyclic particle accelerator, descended from the cyclotron, in which the accelerating particle beam travels around a fixed closed-loop path. The strength of the magnetic field which bends the particle beam into its closed path increases with time during the accelerating process, being ''synchronized'' to the increasing kinetic energy of the particles. The synchrotron is one of the first accelerator concepts to enable the construction of large-scale facilities, since bending, beam focusing and acceleration can be separated into different components. The most powerful modern particle accelerators use versions of the synchrotron design. The largest synchrotron-type accelerator, also the largest particle accelerator in the world, is the Large Hadron Collider (LHC) near Geneva, Switzerland, completed in 2008 by the European Organization for Nuclear Research (CERN). It can accelerate beams of protons to an energy of 7 electron volt, teraelectro ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
John David Jackson (physicist)
John David Jackson (January 19, 1925 – May 20, 2016) was a Canadian–American theoretical physicist. He was a professor at the University of California, Berkeley and a faculty senior scientist emeritus at Lawrence Berkeley National Laboratory. Jackson was a member of the National Academy of Sciences and was well known for his work in nuclear and particle physics, as well as his widely used graduate text on classical electrodynamics. Early life and education Born in London, Ontario, Canada, Jackson attended the University of Western Ontario, receiving a B.Sc. in honors physics and mathematics in 1946. He went on to graduate study at MIT, where he worked under Victor Weisskopf, completing his Ph.D. thesis in 1949. Academic career Jackson held academic appointments successively at McGill University, thanks to Philip Russell Wallace, a prominent Canadian theoretical physicist, (January 1950 – 1957); then the University of Illinois at Urbana–Champaign (1957–1967); and fin ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
International Space Station
The International Space Station (ISS) is a large space station that was Assembly of the International Space Station, assembled and is maintained in low Earth orbit by a collaboration of five space agencies and their contractors: NASA (United States), Roscosmos (Russia), European Space Agency, ESA (Europe), JAXA (Japan), and Canadian Space Agency, CSA (Canada). As the largest space station ever constructed, it primarily serves as a platform for conducting scientific experiments in microgravity and studying the space environment. The station is divided into two main sections: the Russian Orbital Segment (ROS), developed by Roscosmos, and the US Orbital Segment (USOS), built by NASA, ESA, JAXA, and CSA. A striking feature of the ISS is the Integrated Truss Structure, which connect the station’s vast system of solar panels and Spacecraft thermal control, radiators to its pressurized modules. These modules support diverse functions, including scientific research, crew habitation, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
NASA
The National Aeronautics and Space Administration (NASA ) is an independent agencies of the United States government, independent agency of the federal government of the United States, US federal government responsible for the United States's civil list of government space agencies, space program, aeronautics research and outer space, space research. National Aeronautics and Space Act, Established in 1958, it succeeded the National Advisory Committee for Aeronautics (NACA) to give the American space development effort a distinct civilian orientation, emphasizing peaceful applications in space science. It has since led most of America's space exploration programs, including Project Mercury, Project Gemini, the 1968–1972 Apollo program missions, the Skylab space station, and the Space Shuttle. Currently, NASA supports the International Space Station (ISS) along with the Commercial Crew Program and oversees the development of the Orion (spacecraft), Orion spacecraft and the Sp ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Texas
Texas ( , ; or ) is the most populous U.S. state, state in the South Central United States, South Central region of the United States. It borders Louisiana to the east, Arkansas to the northeast, Oklahoma to the north, New Mexico to the west, and has Mexico-United States border, an international border with the Mexican states of Chihuahua (state), Chihuahua, Coahuila, Nuevo León, and Tamaulipas to the south and southwest. Texas has Texas Gulf Coast, a coastline on the Gulf of Mexico to the southeast. Covering and with over 31 million residents as of 2024, it is the second-largest state List of U.S. states and territories by area, by area and List of U.S. states and territories by population, population. Texas is nicknamed the ''Lone Star State'' for its former status as the independent Republic of Texas. Spain was the first European country to Spanish Texas, claim and control Texas. Following French colonization of Texas, a short-lived colony controlled by France, Mexico ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
East Texas Historical Association
East is one of the four cardinal directions or points of the compass. It is the opposite direction from west and is the direction from which the Sun rises on the Earth. Etymology As in other languages, the word is formed from the fact that east is the direction where the Sun rises: ''east'' comes from Middle English ''est'', from Old English ''ēast'', which itself comes from the Proto-Germanic *''aus-to-'' or *''austra-'' "east, toward the sunrise", from Proto-Indo-European *aus- "to shine," or "dawn", cognate with Old High German ''*ōstar'' "to the east", Latin ''aurora'' 'dawn', and Greek ''ēōs'' 'dawn, east'. Examples of the same formation in other languages include Latin oriens 'east, sunrise' from orior 'to rise, to originate', Greek ανατολή anatolé 'east' from ἀνατέλλω 'to rise' and Hebrew מִזְרָח mizraḥ 'east' from זָרַח zaraḥ 'to rise, to shine'. ''Ēostre'', a Germanic goddess of dawn, might have been a personification of both da ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
West Texas Historical Association
The West Texas Historical Association is an organization of both academics and laypersons dedicated to the preservation and dissemination of the total history of West Texas, loosely defined geographically as all Texas counties and portions of counties located west of Interstate 35. History The group was founded in Abilene in 1924. Among its founding members were Roy Crane, William Curry Holden and Rupert N. Richardson. See also *Texas State Historical Association The Texas State Historical Association (TSHA) is an American nonprofit educational and research organization dedicated to documenting the history of Texas. It was founded in Austin, Texas, United States, on March 2, 1897. In November 2008, the ... References External links * {{DEFAULTSORT:West Texas Historical Association Historical societies in Texas Organizations established in 1924 Professional associations based in the United States Texas Tech University Organizations based in Lubbock, Texas ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Fort Worth, Texas
Fort Worth is a city in the U.S. state of Texas and the county seat of Tarrant County, Texas, Tarrant County, covering nearly into Denton County, Texas, Denton, Johnson County, Texas, Johnson, Parker County, Texas, Parker, and Wise County, Texas, Wise counties. Fort Worth's population was estimated to be 1,008,156 in 2024, making it the List of United States cities by population, 11th-most populous city in the United States. Fort Worth is the city in the Dallas–Fort Worth metroplex, after Dallas, Texas, Dallas, and the metropolitan area is the List of metropolitan statistical areas, fourth-most populous metropolitan area in the United States and the List of Texas metropolitan areas, most populous in Texas. The city of Fort Worth was established in 1849 as an army outpost on a bluff overlooking the Trinity River (Texas), Trinity River. Fort Worth has historically been a center of the Texas Longhorn cattle trade. It still embraces its Western heritage and traditional architec ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Jim Wright
James Claude Wright Jr. (December 22, 1922 – May 6, 2015) was an American politician who served as the 48th speaker of the United States House of Representatives from 1987 to 1989. He represented Texas' 12th congressional district as a Democrat from 1955 to 1989. Born in Fort Worth, Texas, Wright won election to the Texas House of Representatives after serving in the United States Army Air Forces during World War II. He won election to Congress in 1954, representing a district that included his home town of Fort Worth. Like most Texas Democrats, Wright distinguished himself from many of his fellow Southern congressmen in his refusal to sign the 1956 Southern Manifesto. He voted for the Civil Rights Acts of 1960 and 1968, the final version of the Civil Rights Act of 1957, and the initial House amendment to the Voting Rights Act of 1965, but voted against the Civil Rights Act of 1964 and the 24th Amendment to the U.S. Constitution. He also became a senior member of the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Speaker Of The United States House Of Representatives
The speaker of the United States House of Representatives, commonly known as the speaker of the House or House speaker, is the Speaker (politics), presiding officer of the United States House of Representatives, the lower chamber of the United States Congress. The office was established in 1789 by Article One of the United States Constitution#Section 2: House of Representatives, Article I, Section II, of the U.S. Constitution. By custom and House rules, the speaker is the political and parliamentary leader of the House and is simultaneously its presiding officer, ''de facto'' Party leaders of the United States House of Representatives, leader of the body's majority party, and the institution's administrative head. Speakers also perform various other administrative and procedural functions. Given these many roles and responsibilities, the speaker usually does not personally preside over debatesthat duty is instead delegated to members of the House from the majority partynor regul ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Superconducting Super Collider, Map 1
Superconductivity is a set of physical properties observed in superconductors: materials where electrical resistance vanishes and magnetic fields are expelled from the material. Unlike an ordinary metallic conductor, whose resistance decreases gradually as its temperature is lowered, even down to near absolute zero, a superconductor has a characteristic critical temperature below which the resistance drops abruptly to zero. An electric current through a loop of superconducting wire can persist indefinitely with no power source. The superconductivity phenomenon was discovered in 1911 by Dutch physicist Heike Kamerlingh Onnes. Like ferromagnetism and atomic spectral lines, superconductivity is a phenomenon which can only be explained by quantum mechanics. It is characterized by the Meissner effect, the complete cancellation of the magnetic field in the interior of the superconductor during its transitions into the superconducting state. The occurrence of the Meissner effect indicat ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sheldon Glashow
Sheldon Lee Glashow (, ; born December 5, 1932) is a Nobel Prize-winning American theoretical physicist. He is the Metcalf Professor of Mathematics and Physics at Boston University, and a Eugene Higgins Professor of Physics, emeritus, at Harvard University. Glashow is a member of the board of sponsors for the '' Bulletin of the Atomic Scientists''. Birth and education Sheldon Glashow was born on December 5, 1932, in New York City, to Jewish immigrants from Russia, Bella (née Rubin) and Lewis Gluchovsky, a plumber.Sheldon Glashow – Britannica Encyclopedia Britannica.com. Retrieved on 2012-07-27. He graduated from Bronx High School of Scie ...
[...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
